398324 has 6 divisors (see below), whose sum is σ = 697074. Its totient is φ = 199160.

The previous prime is 398323. The next prime is 398339. The reversal of 398324 is 423893.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 13924 = 620^2 + 118^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49787 + ... + 49794.

It is an arithmetic number, because the mean of its divisors is an integer number (116179).

2³⁹⁸³²⁴ is an apocalyptic number.

It is an amenable number.

398324 is a deficient number, since it is larger than the sum of its proper divisors (298750).

398324 is a wasteful number, since it uses less digits than its factorization.

398324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99585 (or 99583 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 398324 is about 631.1291468471. The cubic root of 398324 is about 73.5775786303.

The spelling of 398324 in words is "three hundred ninety-eight thousand, three hundred twenty-four".